Traits.hpp

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/* Copyright 2022 Benjamin Worpitz, Bernhard Manfred Gruber
 * SPDX-License-Identifier: MPL-2.0
 */
 
#pragma once
 
#include <type_traits>
 
namespace alpaka
{
    //! The element trait.
    namespace trait
    {
        //! The element type trait.
        template<typename TView, typename TSfinae = void>
        struct ElemType;
    } // namespace trait
 
    //! The element type trait alias template to remove the ::type.
    template<typename TView>
    using Elem = std::remove_volatile_t<typename trait::ElemType<TView>::type>;
 
    // Trait specializations for unsigned integral types.
    namespace trait
    {
        //! The fundamental type elem type trait specialization.
        template<typename T>
        struct ElemType<T, std::enable_if_t<std::is_fundamental_v<T>>>
        {
            using type = T;
        };
    } // namespace trait
} // namespace alpaka